Add webui to binary package

webui/webuiNotIncluded.go

@@ -0,0 +1,20 @@
+//go:build !withUI
+// +build !withUI
+
+package webui
+
+//go:generate yarn
+//go:generate yarn build
+
+import (
+	"net/http"
+)
+
+func ServeUI() (http.Handler, error) {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(404)
+		w.Write([]byte("{\"error_code\": 404, \"error\": \"not_found\", \"note\": \"WebUI not included in build - visit https://veles.1in1.net/docs/tutorial-basics/install\"}"))
+		return
+	}), nil
+}